The Sultanate of Oman's long-term direction under Vision 2040 places environmental sustainability alongside economic diversification as a national priority. In the built environment, that direction is becoming visible: solar panels appearing on villa rooftops, energy-efficient cooling specified into new commercial buildings, water-conscious landscaping, and developers presenting "green" credentials as a selling point.
For owners and investors, this raises a practical question that valuers in Oman are asked with increasing frequency: does making a property more sustainable make it more valuable? The honest answer is more nuanced than most marketing suggests.
What Makes a Property "Sustainable"?
Sustainability in real estate is not a single feature. It is a combination of design decisions, installed systems, and operating performance. In practice, a valuer looks at:
- Energy performance: solar generation, efficient air conditioning, insulation quality, glazing, and lighting — the factors that drive consumption in Oman's climate.
- Water efficiency: low-consumption fixtures, irrigation design, treated water reuse, and landscaping suited to the local environment.
- Materials and construction: durability, maintenance demands, and the expected life of key components.
- Certification: recognised green building ratings, where the owner holds valid documentation.
- Operational systems: metering, building management systems, and the records that show how the building actually performs.
The distinction that matters is between a sustainability claim and sustainability evidence. Only the second one carries weight in a valuation.
Does Sustainability Automatically Add Value?
No. And this is the point where professional valuation separates itself from optimistic assumption.
A common error is to treat cost as value: an owner spends a certain amount on a solar installation and expects the property's value to rise by the same amount. Valuation does not work that way. Value is not what a feature costs — it is what the market is prepared to pay for it. A sustainable feature reaches the valuation through one of two routes: buyers and tenants demonstrably pay more for it, or it demonstrably reduces operating costs and therefore improves the income the asset produces. If neither can be evidenced, the feature may still be worthwhile for other reasons, but it is not automatically reflected in the assessed value.
How a Professional Valuer Approaches It
The Comparison Approach
The valuer looks for transactions in comparable properties and adjusts for the differences. Where sustainable properties have traded and the evidence is available, this is the most direct route. Where that evidence is thin — which is still often the case — any adjustment must be stated transparently and reasoned, not quietly assumed.
The Income Approach
For income-producing assets, sustainability shows up in the numbers: lower electricity and water costs raise net operating income, and stronger tenant demand can support occupancy. But this has to be grounded in actual bills, actual leases, and actual operating history — not projected savings from a supplier's brochure.
The Cost Approach
Where market evidence is limited or the asset is specialised, the valuer may consider the cost of replacing the property to its current specification, adjusted for depreciation. This captures the sustainable specification, though it does not on its own prove market demand.
Why the Omani Answer Is Still Being Written
Oman's market for sustainable real estate is at an early stage, and the transaction evidence that valuers rely on is still accumulating. That is not a weakness in the method — it is a description of the market. As more sustainable buildings are delivered, leased, and resold, the evidence base deepens, and the adjustments that must be reasoned carefully today become measurable tomorrow.
Regulatory direction is part of this picture. Royal Decree 79/2025 forms part of the market context for real estate valuation in the Sultanate, and Vision 2040's sustainability priorities set the direction of travel for the built environment. The prudent reading is that sustainability is moving from a marketing feature toward a standard part of how property is assessed — gradually, and on the evidence.
What Owners and Investors Should Prepare
A valuer can only reflect what can be evidenced. If sustainability is part of your property's story, make it documentable:
- Utility records from before and after the upgrade.
- Specifications, warranties, and commissioning records for installed systems.
- Valid certification documents, where they exist.
- Lease terms and tenant history for income-producing assets.
- Maintenance records showing the systems perform as intended.
Without this, a genuinely efficient building and a merely well-marketed one look the same on paper.
Looking Ahead
As Oman advances toward Vision 2040, the question will shift from whether sustainability affects property value to how precisely it can be measured. Owners who treat sustainability as a documented, performing asset rather than a headline will be best placed.
If you are weighing a sustainable upgrade, or you want to understand how your property's current specification is treated in a professional valuation, the Value Experts team is available for a valuation consultation. Fairness is our value.
